LONG-SPAN REINFORCED STEEL BOX CULVERTS

A comprehensive investigation of soil-metal structure interaction for long-span deep-corrugated reinforced steel box culverts was carried out in a project sponsored by the National Research Council of Canada in 1996. Two 12-m span box culverts were erected at a Dorchester, New Brunswick, test site using two backfill densities, one structural steel plate thickness, and a minimum cover of 300 mm. These structures are the largest steel box culverts erected to date. One structure was reinforced using continuous deep-corrugated crown stiffeners, and the other was intermittently reinforced using composite concrete metal-encased stiffeners. Strain and deflection of the structure were monitored in response to static axle loads positioned at six locations on the test surface. A finite element model was then used in numerical simulations of the soil-metal structure system. The measured culvert response was then compared with results from the finite element model. A nonlinear soil-structure interaction program (NLSSIP) was used to analyze the two long-span box culverts. NLSSIP was developed specifically for long-span soil-metal culverts and has been used for structures with and without stiffeners. The box culvert test provided a definitive relationship between soil stiffness and metal structure stiffness. The test was the first and evaluated intermittently reinforced composite concrete metal-encased stiffeners relative to conventional continuous reinforcement. The performance of the two types of stiffeners is evaluated and recommendations are made for future design and installation of long-span deep-corrugated steel box culverts.

• Record URL:
  https://doi.org/10.3141/1624-22
• Summary URL:
  http://scholar.google.com/scholar_lookup?title=LONG-SPAN+REINFORCED+STEEL+BOX+CULVERTS&author=T.+MCCAVOUR&author=P.+Byrne&author=T.+Morrison&publication_year=1998
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/0309064694
• Supplemental Notes:
  • This paper appears in Transportation Research Record No. 1624, Structural Analysis and Design: Bridges, Culverts, and Pipes.
• Corporate Authors:

  Transportation Research Board

  500 Fifth Street, NW
  Washington, DC  United States  20001
• Authors:
  • MCCAVOUR, T C
  • Byrne, P M
  • Morrison, T D
• Publication Date: 1998

Language

• English

Media Info

• Features: Figures; References; Tables;
• Pagination: p. 184-195
• Serial:
  • Transportation Research Record
  • Issue Number: 1624
  • Publisher: Transportation Research Board
  • ISSN: 0361-1981

Subject/Index Terms

• TRT Terms: Axle load force; Backfilling; Box culverts; Corrugated metal culverts; Deflection; Density; Finite element method; Long span; Material reinforcement; Performance evaluations; Soil structure interaction; Stiffeners (Plates); Strain (Mechanics); Structural analysis; Structural mechanics; Thickness
• Uncontrolled Terms: Cover depth; Structural response
• Geographic Terms: Dorchester (Canada)
• Old TRIS Terms: Backfills; Stiffeners; Strains
• Subject Areas: Bridges and other structures; Geotechnology; Highways; I20: Design and Planning of Transport Infrastructure; I42: Soil Mechanics;

Filing Info

• Accession Number: 00756087
• Record Type: Publication
• ISBN: 0309064694
• Files: TRIS, TRB
• Created Date: Nov 3 1998 12:00AM